48. Deadmau5, 'The Veldt'

"Happy life with the machines scattered around the room," croons Chris James, wryly praising the "digital family" while the robot-rodent EDM kingpin Deadmau5 twists knobs. Mau5 found James on Twitter, making this likely the first charting single built from crowd-sourced lyrics and vocals. It probably won't be the last.